The Insulation Sleeving,electrical,s, cataloged under National Stock Number 5970-01-256-8138, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-256-8138 |
| Item Name | Insulation Sleeving,electrical,s |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Status | ACTIVE |
| Main Body Small End Inside Diameter | 1.120 INCHES MINIMUM AS SUPPLIED IN |
| Temp Rating | -55.0 CELSIUS AND 135.0 CELSIUS DEGC |
| Style Designator | BOOT-STRAIGHT |
| Flexibility | SEMIRIGID |
| Specification/standard Data | 81349-MIL-C-85049/68 GOVERNMENT SPECIFICATION |
| Main Body Overall Length | 2.160 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Color | BLACK |
| Test Data Document | 81349-MIL-C-85049 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | PLASTIC POLYOLEFIN LOCATION NOT OTHERWISE SPECIFIED |
| Main Body Wall Thickness | 0.070 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| M85049/68-1B12U | 2/2 Government specification standardization U.S. Government activity |
| MIL-C-85049/68 | 4/1 Identification reference U.S. Government activity |
NSN 5970-01-256-8138 is a Insulation Sleeving,electrical,s, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
Key specifications for 5970-01-256-8138: Main Body Small End Inside Diameter: 1.120 INCHES MINIMUM AS SUPPLIED IN; Temp Rating: -55.0 CELSIUS AND 135.0 CELSIUS DEGC; Style Designator: BOOT-STRAIGHT; Flexibility: SEMIRIGID. 10 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.